News

  1. Humans

    Sweeps weak in human evolution

    Contrary to conventional wisdom, the rapid spread of beneficial mutations has been relatively rare in the evolutionary history of Homo sapiens, a new study shows.

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  2. Life

    Packing away the poison

    A genetic adaptation in a Hudson River fish species allows it to simply store toxic pollutants in its fat.

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  3. Life

    Hibernation mystery

    Somehow overwintering bears slow their metabolic rates far more than their slightly decreased body temperatures would predict.

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  4. Physics

    Antilaser sucks up light

    A new technology could be used in optical computing.

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  5. Health & Medicine

    Saving preemies’ vision

    A drug designed to fight cancer also may thwart aberrant blood vessel growth in the eyes of babies born preterm, a study finds.